правоприменительный орган(regulatory agency/authority/body
► [C] an official organization that is responsible for checking whether a business is working legally and according to rules or laws. CBED • Any regulatory agency can shut down a project if it does not meet health and safety standards. »Regulatory bodies in Europe are questioning the drug's safety.Alexander Demidov); регламентирующий орган власти(ABelonogov); регулятор(if talking about a body, e.g. ФАС, etc. D Cassidy)